Two new insecticidal sesquiterpene polyol esters from Celastrus angulatus

被引:14
作者
Wang, M
Wu, WJ
Zhu, JN
Ji, ZQ
Zhou, WM
机构
[1] China Agr Univ, Dept Appl Chem, Beijing 100094, Peoples R China
[2] Northwestern Agr Univ, Dept Plant Protect, Yangling 712100, Shaanxi, Peoples R China
基金
中国国家自然科学基金;
关键词
Celastrus angulatus; Celastraceae; insecticide; beta-dihydroagarofuran sesquiterpene; celangulatin;
D O I
10.1080/14786410500161056
中图分类号
O69 [应用化学];
学科分类号
081704 ;
摘要
Two new insecticidal sesquiterpene polyol esters with a β-dihydroagarofuran sesquiterpene skeleton, celangulatin A (1), B (2), and two known compounds, celangulin IV (3) and V (4), were isolated from the leaves of Celastrus angulatus by bioassay-guided fractionation. Their chemical structures were elucidated mainly by analyses of the NMR and MS spectral data. Their insecticidal activities against Mythimna separate were demonstrated with the KD50 value of 68.5 and 215.8 μg g-1 respectively. © 2006 Taylor & Francis.
引用
收藏
页码:653 / 658
页数:6
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